Data API

The Data API provided by Webull allows developers to query market data via HTTP protocol. It is suitable for scenarios such as backtesting analysis and trading strategy support.
For more details, please refer to: API Reference.

Before calling the Data API, you need to have an App Key and App Secret.

• For individual users, please see here.
• For institutional users, please see here.

Caution

In accordance with Hong Kong security and compliance requirements, in addition to identity authentication via App Key and secret-based signature, OpenAPI also requires Token authentication.
For Token creation and verification, please refer to Token Creation and Verification.

1. Supported Data Types

The Market Data API supports the following data types:

Market	Data Category
United States	Stocks, ETFs
Hong Kong	Stocks, ETFs
China Mainland	Stocks

2. Base URLs

• Production Environment: https://api.webull.hk/
• Sandbox Environment: https://api.sandbox.webull.hk